arm64: ASLR: Don't randomise text when randomise_va_space == 0
When user asks to turn off ASLR by writing "0" to /proc/sys/kernel/randomize_va_space there should not be any randomization to mmap base, stack, VDSO, libs, text and heap Currently arm64 violates this behavior by randomising text. Fix this by defining a constant ELF_ET_DYN_BASE. The randomisation of mm->mmap_base is done by setup_new_exec -> arch_pick_mmap_layout -> mmap_base -> mmap_rnd. Signed-off-by:Arun Chandran <achandran@mvista.com> Signed-off-by:
Catalin Marinas <catalin.marinas@arm.com>
parent
e2b6b35e
Please register or sign in to comment